Olivier WILLI Step Change a Test Parameter with MultiDSLA v5 Enhanced Parameter Variation in MultiDSLA v5: Simplifying Sequential Task Modifications Whilst it has always been a simple matter to step change a parameterin a series ofsequential tasks, now it is mu...
Olivier WILLI Test Push-to-Talk (PTT Test) and PTT over Cellular “Push-to-Talk”, PTT, decribes telephony over radio networks in which users press a key to activate the voice transmission path before speaking. PTT is characterised by rapid call setup with few user o... MCPTT PESQ POLQA PTToC Push To Talk
Olivier WILLI Testing Skype™ and Other VoIP Clients Suppliers of VoIP apps, handset manufacturers and network operators all need to test their apps on a range of handsets. MultiDSLA to test VoIP clients running on desktops You can use MultiDSLA to test...
Olivier WILLI 4 and 6 Channel DSLA Now Available New Four and Six Channel Digital Level Speech Analyser We are proud to announce the New Four and Six Channel Digital Level Speech Analyser Both versions have the Handset Ports (RJ22), Phone Ports (RJ1...
Olivier WILLI HD Voice What is HD Voice? HD Voice is short for High-Definition Voice, and is also called Wideband. In Internet and mobile telephony, it refers to the use of Wideband technology to provide a deeper clarity an...
Olivier WILLI Results are Portable with Speech Performance Viewer It is sometimes valuable to be able to share test results with distant colleagues. For example, a QA engineer in Little Rock, Arkansas might need to share test results with handset designers in Shangh...
Olivier WILLI Working with IVR Systems MultiDSLA mimics user behaviour We have designed our test systems to interact with the phone networkas the user does. The test design flexibility of MultiDSLA enables it to mimic some of the more comp...
Olivier WILLI VoLTE Anritsu MD8475A Signalling Tester and MultiDSLA Integrated Speech Quality Measurement with MultiDSLA and Anritsu MD8475A Signalling Tester for VoLTE MultiDSLA combines with the VoLTE Anritsu MD8475A Signalling Tester to provide bi-directional speec...
Olivier WILLI POLQA Gets the Timing Right The time alignment algorithm inPOLQA The time alignment algorithm in POLQA was designed to be much better than that in PESQ . This example comes from a G.711 connection through an ATA in a test lab. T...
Olivier WILLI Who uses POLQA (P.863)? 50% of POLQA Sales made to Operatorsin the First Year POLQA ( ITU-T P.863 ) was published by the ITU in January 2011. We released one of the first commercial implementations of POLQA in August of the ...
Olivier WILLI Concilium Technologies appointed as Opale Systems Distributor in South Africa Speech quality measurement systems Concilium Technologies(Pty) Ltd have been appointed as Distributor in South Africa. Concilium supplies a wide range of Telecommunications Test Equipments which compl...
Olivier WILLI POLQA – Notes on Odd Behaviours (Part 4) We added POLQA ( ITU-T P.863 ) to our MultiDSLA product some seven months ago. Since then, we have been busy discovering what works and what doesn’t workquite so wellin the new algorithm. Most...
